Oncolet 2.5 Tablet belongs to the group of anti-cancer medicines called aromatase inhibitors used to treat breast cancer in women who have gone through menopause (cessation of menses periods). Breast cancer is a type of cancer that develops in breast cells stimulated by the female sex hormone known as estrogen.
 
Oncolet 2.5 Tablet contains 'Letrozole' that works by blocking the aromatase enzyme, which is involved in the production of the estrogen hormone. The cancer cells require estrogen for their growth. Hence, by blocking the aromatase enzyme, Oncolet 2.5 Tablet prevents the growth of cancer cells. Thereby Oncolet 2.5 Tablet helps in preventing or stopping the growth of spreading the tumours (cancer cells) to other body parts.

You are advised to take Oncolet 2.5 Tablet for as long as your doctor has prescribed it for you depending on your medical condition. In some cases, Oncolet 2.5 Tablet may cause certain common side-effects such as hypercholesterolemia (increased cholesterol levels), tiredness, weakness, increased sweating, feeling unwell, pain in joints, and hot flushes (feeling of warmth). Do not be reluctant to talk with your doctor if you experience any of these side-effects persistently.
 
Avoid taking Oncolet 2.5 Tablet if you are pregnant or breastfeeding. Oncolet 2.5 Tablet may cause drowsiness and dizziness, so drive only if you are alert. Oncolet 2.5 Tablet should not be given to children as safety has not been established. Avoid consuming alcohol along with Oncolet 2.5 Tablet as it could lead to increased drowsiness and dizziness. Inform your doctor about your health condition and medications to rule out any side-effects.

Oncolet 2.5 Tablet belongs to the group of anti-cancer medicines called aromatase inhibitors. Oncolet 2.5 Tablet is used to treat breast cancer in women who have gone through menopause (cessation of periods). Oncolet 2.5 Tablet works by blocking the aromatase enzyme, which is involved in the production of estrogens. The cancer cells require estrogen for their growth, so by blocking the enzyme Oncolet 2.5 Tablet prevents the growth of cancer cells. Thereby, Oncolet 2.5 Tablet helps in slowing down or stopping the growth and/or spreading the tumours to other body parts.

Do not take Oncolet 2.5 Tablet if you are allergic to any of its contents, if you have not yet gone through menopause (still get your periods). Talk to your doctor before taking Oncolet 2.5 Tablet if you have osteoporosis (thinning of bones), bone fractures, severe liver or kidney disease. Oncolet 2.5 Tablet may cause inflammation in tendons or tendon injury; contact your doctor if you observe any sign of tendon pain or swelling while taking Oncolet 2.5 Tablet . Avoid taking Oncolet 2.5 Tablet if you are pregnant or breastfeeding. Oncolet 2.5 Tablet may cause drowsiness and dizziness, so drive only if you are alert. Oncolet 2.5 Tablet should not be given to children as safety has not been established. Avoid consuming alcohol along with Oncolet 2.5 Tablet as it could lead to increased drowsiness and dizziness. Inform your doctor about your health condition and medications before taking Oncolet 2.5 Tablet to rule out any side-effects.